Pipe for a sink drain stopper



FIG. 1 is a perspective view of a pipe for a sink drain stopper showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed broken lines depict portions of a pipe for a sink drain stopper that form no part of the claimed design. 

CLAIM The ornamental design for a pipe for a sink drain stopper, as shown and described. 